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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Medium
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Understanding
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S-I: Amphioxus is described as a typical chordate.
S-II: It retains all four fundamental chordate characters in its adult stage also.
S-II: It retains all four fundamental chordate characters in its adult stage also.
View answer and explanation
Correct option: A
Both (I) and (II) are true
Option A (Both (I) and (II) are true) is correct because Amphioxus is a typical chordate and retains all four fundamental chordate characters in its adult stage.
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b) A post anal tail is present in all adult urochordates.
c) In Cephalochordata, notochord is present only in larval tail.
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a) In Vertebrata the notochord is replaced by a cartilaginous or bony vertebral column in the adult.
b) A post anal tail is present in all adult urochordates.
c) In Cephalochordata, notochord is present only in larval tail.
d) Vertebrates have a ventral muscular heart with two, three or four chambers. Read the following organisms given in the below
Tapeworm, Roundworm, Hookworm, Threadworm
How many of the above mentioned parasites causes inflammation of the intestinal tract? What is left when bath-sponges dries up?